/*底部样式*/
#ancestor .footer {
    position: fixed;
    bottom: 0;
    width: 100%;
}
#ancestor .footer .nav {
    text-align: center;
}
#ancestor .footer .nav li {
    width: 25%;
    height: 33px;
    line-height: 25px;
    border: none;
    padding: 0;
    margin: 0;
}
#ancestor .nav-pills>li>a {
    color: #000;
    padding: 4px 15px;
}
/*底部样式结束*/